Building a Mixed-Mode Sampling Profiler

Mattias Högström

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31 Jul 2014Ms-PL17 min read

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Walking a native and a managed callstack is fairly easy. Walking a mixed-mode callstack is much much harder. Existing documentation is truly minimal. I hope this article and its sample profiler can shed some light in this area.

MixedModeProfiler_src.zip
- MixedModeProfiler_src
  - DiagProfiler
    - DiagProfiler.sln
    - DiagProfiler
      - CallstackSampler.cpp
      - CallstackSampler.h
      - DiagGlobals.cpp
      - DiagGlobals.h
      - DiagInit.cpp
      - DiagInit.h
      - DiagProfiler.aps
      - DiagProfiler.cpp
      - DiagProfiler.h
      - DiagProfiler.rc
      - DiagProfiler.vcxproj
      - DiagProfiler.vcxproj.filters
      - DiagProfiler.vcxproj.user
      - DiagProfilerFactory.cpp
      - DiagProfilerFactory.h
      - DiagProfilerServer.cpp
      - DiagProfilerServer.h
      - dlldata.c
      - Exports.cpp
      - Exports.def
      - FileLogger.cpp
      - FileLogger.h
      - IDiagProfiler.h
      - IDiagProfiler.idl
      - IDiagProfiler.tlb
      - IDiagProfilerClient.h
      - LockedStream.h
      - NativeStackwalker.cpp
      - NativeStackwalker.h
      - PerformanceCounter.h
      - PipeServerAsync.cpp
      - PipeServerAsync.h
      - ProfilerCommand.cpp
      - ProfilerCommand.h
      - ProfilerCommandServer.cpp
      - ProfilerCommandServer.h
      - resource.h
    - DiagProfilerClient
      - app.ico
      - app.rc
      - AssemblyInfo.cpp
      - ClrHelper.cpp
      - ClrHelper.h
      - DiagProfilerClient.cpp
      - DiagProfilerClient.h
      - DiagProfilerClient.vcxproj
      - DiagProfilerClient.vcxproj.filters
      - DiagProfilerClient.vcxproj.user
      - ProfileClrApp.cpp
      - ProfileClrApp.h
      - ProfilerCommandClient.cpp
      - ProfilerCommandClient.h
      - ProfilerStarter.cpp
      - ProfilerStarter.h
      - ReadMe.txt
      - resource.h
      - Stdafx.cpp
      - Stdafx.h
    - DiagProfilerConsole
      - DiagProfilerConsole.cpp
      - DiagProfilerConsole.vcxproj
      - DiagProfilerConsole.vcxproj.filters
      - DiagProfilerConsole.vcxproj.user
      - ReadMe.txt
      - stdafx.cpp
      - stdafx.h
      - targetver.h
    - DiagProfilerLauncher
    - License.html
    - profile.bat
    - Readme.txt
    - sdk
      - inc
        
        dbgeng.h
        
        dbghelp.h
        
        engextcpp.cpp
        
        engextcpp.hpp
        
        extsfns.h
        
        wdbgexts.h
      - lib
        
        dbgeng.lib
        
        dbghelp.lib
        
        engextcpp.lib
  - SampleApps
    - CppCliApp
      - app.ico
      - app.rc
      - AssemblyInfo.cpp
      - CppCliApp.cpp
      - CppCliApp.vcxproj
      - CppCliApp.vcxproj.filters
      - CppCliApp.vcxproj.user
      - ReadMe.txt
      - resource.h
      - stdafx.cpp
      - stdafx.h
    - License.html
    - SampleApps.sln
MixedModeProfiler_demo.zip
- MixedModeProfiler_demo
  - CppCliApp.exe
  - DiagProfiler.dll
  - DiagProfilerClient.dll
  - DiagProfilerConsole.exe
  - DiagProfilerLauncher.exe
  - profile.bat
  - ReadMe.txt
MixedModeProfiler_demo-noexe.zip
- profile.bat
- ReadMe.txt


Microsoft Visual Studio Solution File, Format Version 11.00
# Visual Studio 2010
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "DiagProfiler", "DiagProfiler\DiagProfiler.vcxproj", "{0E6B854A-DB53-4E77-9243-43803B7A1590}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "DiagProfilerConsole", "DiagProfilerConsole\DiagProfilerConsole.vcxproj", "{DEA95610-A29C-4D20-8729-A48CCD47C101}"
	ProjectSection(ProjectDependencies) = postProject
		{0E6B854A-DB53-4E77-9243-43803B7A1590} = {0E6B854A-DB53-4E77-9243-43803B7A1590}
	EndProjectSection
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DiagProfilerLauncher", "DiagProfilerLauncher\DiagProfilerLauncher.csproj", "{2928C701-6B4C-40DB-9C8C-B9E6F17EDA94}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "DiagProfilerClient", "DiagProfilerClient\DiagProfilerClient.vcxproj", "{D2A48991-3FC3-43F4-89CC-5919E8D4F040}"
	ProjectSection(ProjectDependencies) = postProject
		{0E6B854A-DB53-4E77-9243-43803B7A1590} = {0E6B854A-DB53-4E77-9243-43803B7A1590}
	EndProjectSection
EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{ECD93F38-2CA6-47A5-8290-CA690C3F28F2}"
EndProject
Global
	GlobalSection(SolutionConfigurationPlatforms) = preSolution
		Debug|Any CPU = Debug|Any CPU
		Debug|Mixed Platforms = Debug|Mixed Platforms
		Debug|Win32 = Debug|Win32
		Debug|x86 = Debug|x86
		Release|Any CPU = Release|Any CPU
		Release|Mixed Platforms = Release|Mixed Platforms
		Release|Win32 = Release|Win32
		Release|x86 = Release|x86
	EndGlobalSection
	GlobalSection(ProjectConfigurationPlatforms) = postSolution
		{0E6B854A-DB53-4E77-9243-43803B7A1590}.Debug|Any CPU.ActiveCfg = Debug|Win32
		{0E6B854A-DB53-4E77-9243-43803B7A1590}.Debug|Mixed Platforms.ActiveCfg = Debug|Win32
		{0E6B854A-DB53-4E77-9243-43803B7A1590}.Debug|Mixed Platforms.Build.0 = Debug|Win32
		{0E6B854A-DB53-4E77-9243-43803B7A1590}.Debug|Win32.ActiveCfg = Debug|Win32
		{0E6B854A-DB53-4E77-9243-43803B7A1590}.Debug|Win32.Build.0 = Debug|Win32
		{0E6B854A-DB53-4E77-9243-43803B7A1590}.Debug|x86.ActiveCfg = Debug|Win32
		{0E6B854A-DB53-4E77-9243-43803B7A1590}.Release|Any CPU.ActiveCfg = Release|Win32
		{0E6B854A-DB53-4E77-9243-43803B7A1590}.Release|Mixed Platforms.ActiveCfg = Release|Win32
		{0E6B854A-DB53-4E77-9243-43803B7A1590}.Release|Mixed Platforms.Build.0 = Release|Win32
		{0E6B854A-DB53-4E77-9243-43803B7A1590}.Release|Win32.ActiveCfg = Release|Win32
		{0E6B854A-DB53-4E77-9243-43803B7A1590}.Release|Win32.Build.0 = Release|Win32
		{0E6B854A-DB53-4E77-9243-43803B7A1590}.Release|x86.ActiveCfg = Release|Win32
		{DEA95610-A29C-4D20-8729-A48CCD47C101}.Debug|Any CPU.ActiveCfg = Debug|Win32
		{DEA95610-A29C-4D20-8729-A48CCD47C101}.Debug|Mixed Platforms.ActiveCfg = Debug|Win32
		{DEA95610-A29C-4D20-8729-A48CCD47C101}.Debug|Mixed Platforms.Build.0 = Debug|Win32
		{DEA95610-A29C-4D20-8729-A48CCD47C101}.Debug|Win32.ActiveCfg = Debug|Win32
		{DEA95610-A29C-4D20-8729-A48CCD47C101}.Debug|Win32.Build.0 = Debug|Win32
		{DEA95610-A29C-4D20-8729-A48CCD47C101}.Debug|x86.ActiveCfg = Debug|Win32
		{DEA95610-A29C-4D20-8729-A48CCD47C101}.Release|Any CPU.ActiveCfg = Release|Win32
		{DEA95610-A29C-4D20-8729-A48CCD47C101}.Release|Mixed Platforms.ActiveCfg = Release|Win32
		{DEA95610-A29C-4D20-8729-A48CCD47C101}.Release|Mixed Platforms.Build.0 = Release|Win32
		{DEA95610-A29C-4D20-8729-A48CCD47C101}.Release|Win32.ActiveCfg = Release|Win32
		{DEA95610-A29C-4D20-8729-A48CCD47C101}.Release|Win32.Build.0 = Release|Win32
		{DEA95610-A29C-4D20-8729-A48CCD47C101}.Release|x86.ActiveCfg = Release|Win32
		{2928C701-6B4C-40DB-9C8C-B9E6F17EDA94}.Debug|Any CPU.ActiveCfg = Debug|x86
		{2928C701-6B4C-40DB-9C8C-B9E6F17EDA94}.Debug|Mixed Platforms.ActiveCfg = Debug|x86
		{2928C701-6B4C-40DB-9C8C-B9E6F17EDA94}.Debug|Mixed Platforms.Build.0 = Debug|x86
		{2928C701-6B4C-40DB-9C8C-B9E6F17EDA94}.Debug|Win32.ActiveCfg = Debug|x86
		{2928C701-6B4C-40DB-9C8C-B9E6F17EDA94}.Debug|x86.ActiveCfg = Debug|x86
		{2928C701-6B4C-40DB-9C8C-B9E6F17EDA94}.Debug|x86.Build.0 = Debug|x86
		{2928C701-6B4C-40DB-9C8C-B9E6F17EDA94}.Release|Any CPU.ActiveCfg = Release|x86
		{2928C701-6B4C-40DB-9C8C-B9E6F17EDA94}.Release|Mixed Platforms.ActiveCfg = Release|x86
		{2928C701-6B4C-40DB-9C8C-B9E6F17EDA94}.Release|Mixed Platforms.Build.0 = Release|x86
		{2928C701-6B4C-40DB-9C8C-B9E6F17EDA94}.Release|Win32.ActiveCfg = Release|x86
		{2928C701-6B4C-40DB-9C8C-B9E6F17EDA94}.Release|x86.ActiveCfg = Release|x86
		{2928C701-6B4C-40DB-9C8C-B9E6F17EDA94}.Release|x86.Build.0 = Release|x86
		{D2A48991-3FC3-43F4-89CC-5919E8D4F040}.Debug|Any CPU.ActiveCfg = Debug|Win32
		{D2A48991-3FC3-43F4-89CC-5919E8D4F040}.Debug|Mixed Platforms.ActiveCfg = Debug|Win32
		{D2A48991-3FC3-43F4-89CC-5919E8D4F040}.Debug|Mixed Platforms.Build.0 = Debug|Win32
		{D2A48991-3FC3-43F4-89CC-5919E8D4F040}.Debug|Win32.ActiveCfg = Debug|Win32
		{D2A48991-3FC3-43F4-89CC-5919E8D4F040}.Debug|Win32.Build.0 = Debug|Win32
		{D2A48991-3FC3-43F4-89CC-5919E8D4F040}.Debug|x86.ActiveCfg = Debug|Win32
		{D2A48991-3FC3-43F4-89CC-5919E8D4F040}.Release|Any CPU.ActiveCfg = Release|Win32
		{D2A48991-3FC3-43F4-89CC-5919E8D4F040}.Release|Mixed Platforms.ActiveCfg = Release|Win32
		{D2A48991-3FC3-43F4-89CC-5919E8D4F040}.Release|Mixed Platforms.Build.0 = Release|Win32
		{D2A48991-3FC3-43F4-89CC-5919E8D4F040}.Release|Win32.ActiveCfg = Release|Win32
		{D2A48991-3FC3-43F4-89CC-5919E8D4F040}.Release|Win32.Build.0 = Release|Win32
		{D2A48991-3FC3-43F4-89CC-5919E8D4F040}.Release|x86.ActiveCfg = Release|Win32
	EndGlobalSection
	GlobalSection(SolutionProperties) = preSolution
		HideSolutionNode = FALSE
	EndGlobalSection
EndGlobal

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License

This article, along with any associated source code and files, is licensed under The Microsoft Public License (Ms-PL)

Written By

Mattias Högström

Architect Visma Software AB

Sweden

Mattias works at Visma, a leading Nordic ERP solution provider. He has good knowledge in C++/.Net development, test tool development, and debugging. His great passion is memory dump analysis. He likes giving talks and courses.

Building a Mixed-Mode Sampling Profiler

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